A man without a voice box recently won a singing competition.John Ready, of Northern California, had his larynx removed decades ago because of throat cancer."It's a very difficult thing to face," he said, "in that you have no idea what's going to happen."He recently performed at a karaoke competition for a health conference in Las Vegas."I wanted it to be a good performance," Ready said. Check out the video above to find out more about Ready's incredible journey.